Patents Assigned to Precision Hardware, Inc.
  • Lock bar
    Patent number: 4491354
    Abstract: A lock bar for securing a pair of door panels having lock and hinge edges in a locked position and indicating whether or not the panels are locked, including a pair of elongated hollow holding brackets having a rectangular cross section aligned horizontally and secured to the door panels adjacent the lock edges thereof, and an elongated, hollow, rectangular cross section, cross bolt extending horizontally through the holding brackets.
    Type: Grant
    Filed: November 2, 1978
    Date of Patent: January 1, 1985
    Assignee: Precision Hardware, Inc.
    Inventor: Lawrence D. Williams